National Museum of Nuclear Science & History
Vosmer worked at the 300 Area at Hanford during the Manhattan Project.
M. E. Ritchie served in the 390th Air Service Group.
William Kann was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sylvia Warshaw was a Polish-American who worked as a research assistant in the chemistry division of the Chicago Met Lab.